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49A =Cumulic Cryoborolls, 0 to 3 percent slopes <br />3/98 <br />Additional symbol: 157 <br />Setting <br />Depth class: very deep <br />Drainage class: somewhat poorly drained <br />Position on landscape: flood plains and stream terraces <br />Parent material: mixed alluvium <br />Elevation: 6,500 to 8,300 feet <br />Air temperature: 37 to 40 degrees F <br />Annual precipitation: 16 to 28 inches <br />Frost-free period: 30 to 55 days <br />Composition <br />Cumulic Cryoborolls soil and similar inclusions: 85 percent <br />Contrasting inclusions: 15 percent <br />Contrasting Inclusions <br />poorly to very poorly <br />Hunchback soils <br />Silas soils <br />Becks soils <br />Tanelle soils <br />Similar Inclusions <br />Menbar soils <br />Matmore soils <br />Eleana soils <br />Jarvie soils <br />drained Aquolls and Aquents soils <br />Typical Profile <br />Surface layer: <br />0 to 2 inches=mat of needles, twigs, and leaves <br />2 to 10 inches=dark grayish brown loam <br />Subsurface layer: <br />10 to 23 inches=dark grayish brown loam <br />23 to 30 inches=pale brown loam with thin lenses of sandy loam <br />Underlying material: <br />30 to 39 inches=very pale brown loamy fine sand <br />39 to 60 inches=very pale brown extremely cobbly sand <br />Soil Properties and Qualities <br />Permeability: moderate over very rapid <br />Available water capacity: moderate <br />Potential rooting depth: 60 or more inches for water- tolerant plants <br />and 20 to 30 inches for other plants <br />Flooding: rare <br />Runoff: low to medium <br />Hazard of water erosion: slight <br />Hazard of soil blowing: low <br />Major Current Uses <br />